Core-stand



J. BARNETT.

(No Model.)

CORE STAND.

NO. 359,660. Patented'lVIar. 22, 1887.

UNITED STATES Pmniwr OFFICE JAMES BARNETT, OF LOUISVILLE, KENTUCKY.

.CoRE-sTAND.

SFECIFICA'I'ION forming part of Letters Patent No. 359.660, dated March22, 1867.

Application filed December 23, 1885. Serial No. 186.517. (No model.)

To aZZ whom, it maty concern:

Be it known that I, J AMEs BARNETT, a citizen of the United States,residing at Louisville, in the county of Jefi'erson and State ofKentucky, have invented certain new and useful Improvements in Core-Stands, of which the following is a full, clear, and exact description,reference being had to the accompanying drawings, forming part of thisspecification.

My invention relates to new and useful improvements in stands forforming the cores used in molds for casting iron pipes; and it consists,generally, of a box cast or fitted in the corezstand and containing anadjustable and removable pillow-block for the journal of the core-bar torest in, with screws foradj usting and firr'nly setting thepillow-block, and also of a detachable seat for an adj ustablecoreboard, with pins for firmly holding the seat on the core-stand andallowing it to be readily detached therefrom, and having slottedbolt-openings, so that the core-board may be readily moved on the seat,and then' be adjusted and secu rely fastened by means of bolts.

This construction is clearly shown in the accompanying drawings, whichare illustratixje of my invention, and in which- Figure 1 isa-perspective view of my improved core-stand. Fig. 2 is an enlarged likeview of one end of the same, the other end being similar. Fig. 3 is aVertical transverse sectional View of the box and ,pillow-blockthroughthe line x x, Fig. 2. Fig. 4 is a perspeotive view of apillow-bloek with two journal-seats. Fig. 5 is a perspeotive View of thecore-board seat, bottom side up, to show the pins beneath, and Fig. 6 isa Vertical long'itudinal sectional View of the core-board seat throughthe line y y, Fig. 5, but with the top side up.

In the different figures like letters indicate like parts. v

B is an adj ustable core-board. O is a corebar. D is a core, shown indotted lines on the core-bar O. E is an adj ust-able and removablepillow-block with a single journal-seat. E' is a like pillow-block withtwo journal-seats, of which the one farthest from the core-board B maybe used as a rest for the core-bar O when receiving the material(usually hay and clay) for forming the core, while that nearest thecore-board B corresponds with the single j ournal-seat in thepillow-block E, and is used as a rest for the core-bar O while the coreis being formed. F is a crank to turn the corebar. G Vare serew-boltspassing through the bottom of the box I, for elevating and depressingthe pillow-block. H are screw-bolts passing through the side of the boxI, for securing the pillow-block in position. .I is a box in the'core-stand A to receive the pillow-block. J

` are the legs of the core-stand A. K is the beveled forming or shapingedge of the core-board B. L are journal-seats in the pillow -block. Mare the core-stand feet. the core-board B. O are bolts to secure thecore-board B to the seat Nj. l? is a depression in the box I, so as toallow the core-bar C to revolve when the pillow-block is set low in thebox I. Q are pins to hold the seat N inposition on the core-stand A. Rare stops in the seat N, through which the bolts O pass, the lower partof the slots being enlarged to accommodate the bolt-heads.

In practice with my invention, whenv the pillow-block and the core-boardhave been adj usted, by means of the screws and bolts, with regard tothe desired size and weight of pipe to be made, and so as tobring thecore material in contact with the core-board, the corebar carrying thematerial foi` the core is revolved, when the Shaping-edge of the core- Nis the seat for board will form the material into a cylindrical' corearound the core-bar, and as fresh materevolving and Shaping it iseontinued until the core is completed. As the journal-seat in thepillow-block wears away the block is ele- Vated to the proper positionby means of the screws G, and when the journal-seat is too much worn forfurther use the pillow-blook is readily taken out and. replaced with anew one. When it is necessary to use a wider or narrower core-board, thecore-board Yin use, together with the core-board seat attached to it,may be at once lifted from the core-stand and immediately replaced byanother core-board andseat. By these means cores of different diametersmay be readily and easil y made on the same core-stand.

Among the advantages of my invention are, that it is not attended withthe breakages in- IOO eident and usual to the case where the coreboardseat and journalseat are made or contained in one piece; that as thejournal-seat wears away from use the pillow-bloek may be readily andeasily adjusted so as to bring the core-bar into proper position to formthe core, and when too much worn the pillow-bloek may be speedil yreplaced with a servieeable one; that the core-board may not only be'ad- Io justed laterally to the eore,but may be promptly changed foranother, as may be necessary or required, and that great uniformity insize and weight of pipe is secured, and time, labor, and material areeeonomized.

Having fully described my inventon, what I I elaim as new, and desire tosecure by Letters Patent, is-

J AMES BARNETT.

Witnesses:

J AMns XV. BEA'r'rIE, MICAJAH FIBLE.

